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The Yamaha NX-A01 speaker system might look like a cube of tofu, but it's actually a pixel-size powerhouse that cranks out unbelievable sound for its size. Measuring just 3.25 inches square, with a list price of $99 (around $60 street) the Yamaha NX-A01 is a marvel of engineering and a testament to Japanese ingenuity.
Just like an apartment in Tokyo, the Yamaha NX-A01 is both extremely small and incredibly efficient. There are no gee-whiz features on the NX-A01, just an illuminated four-way rocker on the top that controls power, volume, and mute. Likewise, the back side of the NX-A01 has a minimal amount of connections: one jack for the power adapter and one for a stereo minijack cable input (a short cable is included).
The NX-A01's cube shape features two opposing 1-inch titanium driver speakers. If you want to glimpse the secret of the NX-A01's impressive sound, however, you'll have to turn it over. The bottom of the NX-A01 doesn't look like much, but a small half-inch space offers a glimpse of a unique hinged bass port design that pumps out an incredible amount of bass. Unfortunately, the Achilles' heel of this design is that the bass port sounds ghastly when the speaker is overdriven. Keep in mind that the sound quality of the NX-A01 is only remarkable in relation to its size. It's not intended to compete with more robust systems such as the Bose SoundDock or the Altec Lansing iM7.